Apps like Terra

Here are some great alternatives to Terra by TerraListens.com :
Bird Sound Identifier Bird ID
Bird Sound Identifier Bird ID
★4.2
Birds Sounds
Birds Sounds
★4.4
Smart Bird ID
Smart Bird ID
★4.3
Bird Buddy: Tap into nature
Bird Buddy: Tap into nature
★4.8
Blue Jay Sounds
Blue Jay Sounds
★4.5
Birds Calls Sounds & Ringtones
Birds Calls Sounds & Ringtones
★3.6
Birdie Memory
Birdie Memory
★5.0
Bird Calls, Sounds & Ringtones
Bird Calls, Sounds & Ringtones
★4.4
BirdID - Sound Bird Identifier
BirdID - Sound Bird Identifier
★3.7
Classic Real Bird Ringtones
Classic Real Bird Ringtones
★4.3
Bird Sounds - Nature Bird Call
Bird Sounds - Nature Bird Call
★4.1
Bird Sounds
Bird Sounds
★4.2
Picture Bird - Bird Identifier
Picture Bird - Bird Identifier
★4.6
Nature Sounds Relax & Sleep
Nature Sounds Relax & Sleep
★3.4
Bird Sounds & Ringtones
Bird Sounds & Ringtones
★4.6
Animal sounds & wallpaper
Animal sounds & wallpaper
★4.3